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Version 2.2.

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Signed-off-by: NIIBE Yutaka <gniibe@fsij.org>
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NIIBE Yutaka 2024-04-20 11:20:40 +09:00
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4
ChangeLog
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@ -1,3 +1,7 @@
2024-04-20 NIIBE Yutaka <gniibe@fsij.org>
* VERSION: Version 2.2.
2024-04-18 NIIBE Yutaka <gniibe@fsij.org>
* src/keccak.c, src/keccak.h: Rename. Also offer SHA-3.

9
NEWS
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@ -3,11 +3,16 @@ Gnuk NEWS - User visible changes
* Major changes in Gnuk 2.2
Released 202?-??-??, by NIIBE Yutaka
Released 2024-04-20, by NIIBE Yutaka
** Modular inverse by safegcd256 for Ed25519 and X25519 computation
Ed25519 and X25519 computation are now faster with safegcd256.
Ed25519 and X25519 computation are now a bit faster with safegcd256.
** X25519 with 2^25.5 limb
X25519 computation is done with 2^25.5 limb. It may be better on
other MCUs.
* Major changes in Gnuk 2.1

29
README
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@ -1,14 +1,14 @@
Gnuk - An Implementation of USB Cryptographic Token for GnuPG
Version 2.1
2023-09-05
Version 2.2
2024-04-20
Niibe Yutaka
Free Software Initiative of Japan
Release Notes
=============
This is the release of Gnuk, version 2.1, which has major clean up
This is the release of Gnuk, version 2.2, which has major clean up
from Gnuk 1.2. Many (questionable) features have been removed.
It has supports of Ed25519 and X25519 (ECDH on Curve25519). It also
@ -161,9 +161,7 @@ Gnuk source code is under src/ directory.
Note that SHA-2 hash function implementation, src/sha256.c, is based
on the original implementation by Dr. Brian Gladman. See:
http://brg.a2hosted.com//oldsite/cryptography_technology/sha/index.php
(was at:
http://gladman.plushost.co.uk/oldsite/cryptography_technology/sha/index.php)
https://web.archive.org/web/20140314032610/http://gladman.plushost.co.uk/oldsite/cryptography_technology/sha/index.php
License
@ -257,13 +255,10 @@ You need GNU toolchain and newlib for 'arm-none-eabi' target.
On Debian we can install the packages of gcc-arm-none-eabi
and its friends. I'm using:
binutils-arm-none-eabi 2.40-2+18+b1
gcc-arm-none-eabi 15:12.2.rel1-1
picolibc-arm-none-eabi 1.8-1
gdb-multiarch 13.1-3
Or else, see https://launchpad.net/gcc-arm-embedded for preparation of
GNU Toolchain for 'arm-none-eabi' target.
binutils-arm-none-eabi 2.41.90.20240115-1+23
gcc-arm-none-eabi 15:13.2.rel1-2
picolibc-arm-none-eabi 1.8.6-2
gdb-multiarch 13.2-1
Change directory to `src':
@ -312,9 +307,9 @@ Flying Stone Tiny 01
If you are using Flying Stone Tiny 01, you need a SWD writer.
OpenOCD 0.9.0 now supports ST-Link/V2. We can use it like:
OpenOCD 0.12.0 supports ST-Link/V2. We can use it like:
$ openocd -f interface/stlink-v2.cfg -f target/stm32f1x.cfg \
$ openocd -f interface/stlink.cfg -f target/stm32f1x.cfg \
-c "program build/gnuk.elf verify reset exit"
@ -338,7 +333,7 @@ How to protect flash ROM
To protect, invoke OpenOCD like (for FST-01):
$ openocd -f interface/stlink-v2.cfg -f target/stm32f1x.cfg \
$ openocd -f interface/stlink.cfg -f target/stm32f1x.cfg \
-c init -c "reset halt" -c "stm32f1x lock 0" -c reset -c exit
After power-off / power-on sequence, the contents of flash ROM cannot
@ -346,7 +341,7 @@ be accessible from JTAG debugger.
Unprotecting is:
$ openocd -f interface/stlink-v2.cfg -f target/stm32f1x.cfg \
$ openocd -f interface/stlink.cfg -f target/stm32f1x.cfg \
-c init -c "reset halt" -c "stm32f1x unlock 0" -c reset -c exit
Upon unprotection, flash is erased.

2
VERSION
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@ -1 +1 @@
release/2.1
release/2.2